Table 3 Associations between Illness perceptions and allopurinol use
Using allopurinol | Adjusted relative risk ratio (RRR) (95 % CI) | ||||
|---|---|---|---|---|---|
Yes (%) | No (%) | Unadjusted RRR (95 % CI) | Age, gender, deprivation, BMI, alcohol & co-morbidities | Age, gender, deprivation, BMI, alcohol, co-morbidities & gout characteristics | |
A lot I can do to control my gout | |||||
Disagree (N = 154) | 78 (12.7) | 76 (16.2) | REF | REF | REF |
Uncertain (N = 375) | 190 (30.8) | 185 (39.5) | 1.00 (0.69 to 1.46) | 1.01 (0.67 to 1.51) | 1.10 (0.70 to 1.73) |
Agree (N = 555) | 348 (56.5) | 207 (44.3) | 1.64 (1.14 to 2.34) | 1.66 (1.12 to 2.45) | 1.39 (0.89 to 2.17) |
Nagelkerke r2, Pearson GOF | 0.094, p = 0.053 | 0.18, p = 0.43 | |||
What I do will affect my gout | |||||
Disagree (N = 104) | 64 (10.5) | 40 (8.5) | REF | REF | REF |
Uncertain (N = 487) | 264 (43.3) | 233 (49.4) | 0.74 (0.48 to 1.14) | 0.66 (0.41 to 1.04) | 0.74 (0.44 to 1.23) |
Agree (N = 480) | 281 (46.2) | 199 (42.1) | 0.88 (0.57 to 1.36) | 0.82 (0.51 to 1.31) | 0.69 (0.41 to 1.16) |
Nagelkerke r2, Pearson GOF | 0.07, p = 0.65 | 0.12, p = 0.91 | |||
Treatments are effective | |||||
Disagree (N = 75) | 32 (5.2) | 43 (9.3) | REF | REF | REF |
Uncertain (N = 180) | 73 (11.8) | 107 (23.1) | 0.92 (0.53 to 1.58) | 0.98 (0.54 to 1.79) | 1.06 (0.54 to 2.06) |
Agree (N = 827) | 513 (83.0) | 314 (67.6) | 2.20 (1.36 to 3.54) | 2.24 (1.32 to 3.81) | 1.78 (0.96 to 3.29) |
Nagelkerke r2, Pearson GOF | 0.12, p = 0.11 | 0.29, p = 0.54 | |||
Gout is serious | |||||
Disagree (N = 63) | 33 (5.3) | 30 (6.4) | REF | REF | REF |
Uncertain (N = 195) | 98 (15.8) | 97 (20.6) | 0.92 (0.52 to 1.62) | 0.79 (0.42 to 1.50) | 0.91 (0.43 to 1.89) |
Agree (N = 834) | 490 (78.9) | 344 (73.0) | 1.29 (0.78 to 2.16) | 1.15 (0.65 to 2.05) | 1.15 (0.59 to 2.26) |
Nagelkerke r2, Pearson GOF | 0.09, p = 0.39 | 0.12, p = 0.96 | |||